zzz - String-Capacity-Check.cpp

#include <iostream>
using namespace std;


int main() {
    string s;
    int pre = 0;
    for(int i = 0; i < 100000000; i ++) {
        s.push_back('a');
        if(s.capacity() != pre) {
            if(pre != 0) cout << 1. * s.capacity() / pre << endl;
            pre = s.capacity();
        }
    }
}